US PATENT SUBCLASS 29 / 437
.~.~.~ By deforming interlock

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
428  DF  .~ Assembling or joining {21}
434  DF  .~.~ Retaining clearance for motion between assembled parts {3}
437.~.~.~ By deforming interlock {5}
438  DF  .~.~.~.~> By folding part into plural ears
439  DF  .~.~.~.~> By wrapping around {1}
441.1  DF  .~.~.~.~> Of sphere, i.e., ball, in socket {2}
443  DF  .~.~.~.~> Of flange into tubular socket
444  DF  .~.~.~.~> Outwardly deforming internally fitted rod

DEFINITION

Classification: 29/437

By deforming interlock:

(under subclass 434) Process wherein a first part is inserted within an opening in a second part or positioned adjacent thereto, and one of the parts has its dimensions or shape permanently altered by deformation beyond its elastic limit to prevent withdrawal or separation of the other part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

243.5+, for apparatus for assembling or disassembling by an overedge assembly operation.

283.5, for apparatus for assembling or disassembling by deforming one or more of the parts assembled.

505+, for joining parts by deforming, generally.

SEE OR SEARCH CLASS

264, Plastic and Nonmetallic Article Shaping or Treating: Processes, for a method of shaping plastic material, generally, including shaping one margin of a workpiece to interfit with another portion of that workpiece, as in making a tube, and including forming nonmetallic material about a "preform" which may be metallic. Search, especially, 242, for a method under that class definition including joining parts while allowing the parts to move relative to each other.